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Senior Systems Administrator in Toronto

Marsh | toronto, Canada | Posted June 01, 2026

Position Overview

Mercer is looking for a Senior Systems Administrator in Toronto to enhance their system monitoring and observability. This hybrid role emphasizes collaboration and continuous improvement in operational processes.
You will utilize over 10 years of IT experience to manage service instrumentation efficiently. Collaborate with various teams, deploying cutting-edge monitoring solutions and automating key processes using ITIL frameworks. Your role will also involve leading projects and mentoring junior staff for success.
Key Responsibilities:
• Implement site-reliability improvements utilizing observability data
• Maintain and tune monitoring toolsets for optimal performance
• Collaborate with stakeholders for effective telemetry and dashboards
• Automate remediation and streamline administration processes
• Communicate project statuses to technical and business audiences
Requirements:
• 10+ years in IT roles, preferably in large organizations
• Deep understandi...

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